package com.jelly.io.file;

import java.io.File;
import java.io.FilenameFilter;
import java.util.Arrays;
import java.util.regex.Pattern;

/**
 * 用匿名内部类实现DirList
 * @author Jelly
 *
 */
public class DirList2 {
	public static FilenameFilter filter(final String regex) {
		return new FilenameFilter() {
			public boolean accept(File dir, String name) {
				return Pattern.compile(regex).matcher(name).matches();
			}
		};
	}
	
	public static void main(String[] args) {
		File path = new File(".");
		String[] list;
		if(args.length==0){
			list= path.list();
		}else{
			list = path.list(filter(args[0]));
		}
		Arrays.sort(list,String.CASE_INSENSITIVE_ORDER);
		for (String dirItem : list) {
			System.out.println(dirItem);
		}
	}
}
